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If you administer a busy database you will see this error from time to time. It is nothing to worry about, but it can be quite annoying when it stops you from doing something. It simply means that session has a lock on an object that your session is trying to ...

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The Struts 2 framework provides built-in support for processing file uploads that conform to RFC 1867, "Form-based File Upload in HTML". When correctly configured the framework will pass uploaded file(s) into your Action class. Support ...

Many Actions share common concerns. Some Actions need input validated. Other Actions may need a file upload to be pre-processed. Another Action might need protection from a double submit. Many Actions need drop-down lists and other controls pre-populated before the ...

We needProject Manager If you would like to... In this position you will be responsible for the successful delivery of application development projects. Your responsibilities will also include but not be limited to: Utilize Agile Methodologies to manage full life-cycle development of large, complex, J2EE & ...

We need Application Developer If you would like to......

第一章：日志管理 1.forcing log switches sql> alter system switch logfile; 2.forcing checkpoints sql> alter system checkpoint; 3.adding online redo log groups sql> alter database add logfile [group 4] sql> (`/disk3/log4a.rdo`,`/disk4/log4b.rdo`) size 1m; 4.adding online redo log members sql> alter database add logfile member sql> `/disk3/log1b.rdo` to group 1, sql> `/disk4/log2b.rdo` to group 2; 5.changes the name of the online redo logfile sql> alter database ...

SQL*Plus — schemata — data types — DML & DDL examples — editing commands — using external files — the dual pseudo-table — introduction to transactions — optional exercise — references Introduction During this tutorial you will build on your databases knowledge by learning the fundamentals of Oracle, one of ...

Considering that the .NET framework is easily on the short list for the most popular business application platform, it is surprising that financial functions are largely ignored. Sure there is a handful of methods squirreled away in VisualBasic.Financial, but most developers don’t even think to look there. It is no ...

Published: November 20, 2007 - 08:46AM CT As promised earlier this month, Microsoft announced today that both Visual Studio 2008 and the accompanying .NET Framework 3.5 have been released to manufacture (RTM). Codenamed Orcas, Visual Studio 2008 (VS2008) comes two years ...